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Discovery-series | 
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Discovery-series |
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Below is a checklist of Discovery-series satellites, launch dates, and images of the satellites. This is a work in progress, and completeness is our goal. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.
Since all Discovery-series satellites have other names as well, postal items for these satellites are found under those other names.
| Satellite | Launch Date | Other Name | Discipline/Category |
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| Discovery-1 | 1996-12-04 | Mars Pathfinder Rover / Sojourner | planetary |
| Discovery-2 | 1996-02-17 | NEAR (Eros asteroid) | planetary |
| Discovery-3 | 1998-01-07 | Lunar Prospector (moon orbit) | planetary |
| Discovery-4 | 1999-02-07 | Stardust (Comet Wild 2) | cometary |
| Discovery-5 | 2001-08-08 | Genesis (solar wind particles) | scientific |
| Discovery-6 [failed] | 2002-07-03 | Contour (comet interior) | cometary |
| Discovery-7 | 2005-01-12 | Deep Impact (Comet Tempel 1) | cometary |
| Discovery-8 | 2004-08-03 | MESSENGER (Mercury orbit) | planetary |
| Discovery-9 | 2007-09-27 | Dawn (two asteroids) | planetary |
| Discovery-10 | 2009-02-07 | Kepler (search for planets) | astronomy |
| Discovery-11 | 2011-? | GRAIL-A/B (lunar gravity) | planetary |
(The links below lead to information sources that are maintained by others. They are not part of this Website.)
Back to Un-Manned Satellite Philately.